Pauline MacMillan Keinath
# Pauline MacMillan Keinath

Pauline MacMillan Keinath (born July 31, 1934 in Hennepin County, Minnesota) is an American billionaire heiress. She is believed to be the largest individual shareholder in Cargill.

## Wealth

As of July 2020, she has a net wealth of $5.8 billion from an inherited 9% stake in Cargill.

In 2014, she was the 16th richest woman in the US. In 2022, her wealth made her the richest person in Missouri.

## Family

She is a great-granddaughter of William Wallace Cargill, the founder of Cargill, the largest private company in the US. Her father was Cargill MacMillan Sr. (1900-1968). She has two siblings, Whitney MacMillan (1929-2020) and Cargill MacMillan.

She is married, with four children, and lives in St. Louis, Missouri.

## Political involvement

Keinath continued support of Josh Hawley after his role in the January 6 United States Capitol attack, with donations of $1,900 reported in the second half of 2021.

In 2023, the family of Pauline MacMillan Keinath are the largest donors to Andrew Bailey's run for Missouri Attorney General, having contributed $375,000 to the Life and Liberty PAC.

